Remove Mahjong World Contest – Malware Removal

By | Posted on July 6, 2015 | Updated on July 7, 2015

Mahjong World Contest ads appearing on your browser and search area are part of an adware program that has sole intention of gaining profit over the Internet. It is installed as add-on or extension to popular browsers like Internet Explorer, Google Chrome, and Mozilla Firefox. On Internet Explorer, Mahjong World Contest adware starts as Browser Helper Object which is quite difficult to stop once it starts running.

This adware aims to promote browser-based game that carries the same title. In the process, it will presents other games and programs from the same developer. Mahjong World Contest code gets installed on the computer through third-party apps coming from various sources. Programs where this adware is packed is similarly hosted on various reputable web sites, thus you must take extra caution when installing freeware or shareware.

Once inside Windows system, Mahjong World Contest adware alters settings on the browser. It drops add-ons and extensions that may result to manipulation of search results. Changes can also cause the Mahjong World Contest ads to appear while you are surfing the net.

As you can see, Mahjong World Contest pop-up ads easily gets into the computer even without your permission. When you find it annoying and wanted to get rid of it, the adware will not allow you to perform such. Adware has locked itself onto your system and will require complex removal process to get deleted.

Mahjong World Contest

Online Security Scanner Report for

Norton SafeWeb Not yet tested Community Rating: 0.0 Updated: July 07, 2015
MCAfee Site Advisor Not yet rated Feedback: No Data Updated: July 07, 2015
AVG Threat Labs Currently safe Ratings: No Data Updated: July 07, 2015

How to Remove Mahjong World Contest Ads

Step 1 : Use Add/Remove program of Windows to Uninstall Mahjong World Contest Ads

The main cause of adware and malware presence could be software that you may have installed on the computer. We need to uninstall the culprit program.

1. Click Windows Start button. Next, select Control Panel from the list.

2. Find the ‘Programs‘ area and click on Uninstall a program. This opens up a window showing existing software installed.

Mahjong World Contest Removal

3. Look for and remove Mahjong World Contest and relevant entries. If not present, look for any suspicious labels that was installed recently.

4. Click on Uninstall to start removing the program.

Step 2: Scan and Delete Adware with AdwCleaner

1. Download the tool called AdwCleaner from the location stated below. Click here to download AdwCleaner (this will open a new window)

2. Once you have completed the download, please close all running programs on the computer.

3. Locate the file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.


4. It searches for presence of harmful programs, plug-ins, add-ons, or any data that were found malicious and linked to “Ads by Mahjong World Contest”. You need to Clean all items detected by this tool.

5. Once scan is done, the tool may need to reboot your computer to finalize the cleaning process.

6. After reboot, AdwCleaner will display the log file of the recent scan.

Step 3: Remove Adware Add-on and Cleanup the Browser

After the previous scans, you may have deleted Mahjong World Contest adware from the affected browser. This next step will ensure that no more module of adware will be left on the browser. This free tool scans and checks the browser for unwanted add-on and extension, and if found, Avast Browser Cleanup will give you a report and suggestion.

1. Download this free tool and save it to your desktop.
Avast Browser Cleanup Download Link (This will open in a new window)

2. Please install the program. Start the process by double-clicking on the executable file avast-browser-cleanup-sfx.exe.

3. When run, Avast Browser Cleanup performs a test on the browser. If unwanted entries were found, it will display a button ‘Remove all add-ons listed below and cleanup browser.’ You may remove all or delete one entry at a time.

Avast Browser Scanner

4. Avast Browser Cleanup will confirm before it permanently deletes the add-on. Please click Yes to proceed with the removal Mahjong World Contest ads on the affected browser.

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